Home / 239,161.20-330,029.98-148,515.22

Finding the Fourth Proportional to 239,161.20, 330,029.98 and 148,515.22

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Solution

The fourth proportional to 239,161.20, 330,029.98 and 148,515.22 is: 204,943.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,161.20 : 330,029.98 = 148,515.22 : x
  2. Step 2: Convert to fraction form
    239,161.20/330,029.98 = 148,515.22/x
  3. Step 3: Cross multiply
    239,161.20x = 330,029.98 × 148,515.22
  4. Step 4: Simplify right side
    239,161.20x = 49,014,475,086.30
  5. Step 5: Solve for x
    x = 49,014,475,086.30/239,161.20
  6. Step 6: Final answer
    x = 204,943.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.